Early silicic magmatism on a differentiated asteroid

Unlike the other terrestrial planets, Earth has a substantial silica-rich continental crust with a bulk andesitic composition. A small number of meteorites with andesitic bulk compositions have been identified that are thought to be the products of partial melting of chondritic protoliths, a mode of...

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Veröffentlicht in:	Nature geoscience 2022-09, Vol.15 (9), p.696-699
Hauptverfasser:	Nicklas, Robert W., Day, James M. D., Gardner-Vandy, Kathryn G., Udry, Arya
Format:	Artikel
Sprache:	eng
Schlagworte:	704/445/3928 704/445/431 704/445/849 Asteroids Continental crust Earth and Environmental Science Earth crust Earth mantle Earth Sciences Earth System Sciences Geochemistry Geology Geophysics/Geodesy Isotopes Magma Melting Metals Meteorites Meteoritic composition Meteors & meteorites Mineralogy Petrogenesis Planet formation Planetary cores Plate tectonics Silica Silicates Solar system Tectonics Terrestrial planets
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